摘要： We six units by the end of last week. A. had learned B. learned C. have learned D. was learning
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We _______ six days a week, but we only work five days now.
A．usedtowork B．usedwork
C．usedtoworking D．usetowork
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We _________ six days a week, but now we only work five days.
A. used work B. are used to work
C. used to working D. used to work
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We _______ six days a week, but we only work five days now.
| A．usedtowork | B．usedwork |
| C．usedtoworking | D．usetowork |